Omni L4-135 2.2L SOHC VIN 8 2-bbl HP (1985)
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Heated Inlet Air System: Description and Operation
Heated Air Inlet Dual Snorkel System
The dual snorkel air cleaner performs basically like a single snorkel air cleaner except that on deep throttle acceleration, both snorkels are open (when
manifold vacuum drops between 5 inch Hg).
The ``non-heat'' air snorkel is connected to manifold vacuum through a tee in the vacuum hose between the carburetor and the sensor.
Check the second snorkel vacuum diaphragm as one with the heat connector.